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2013
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Invention
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Bi-directional storing inverter used in grid connected power system. A bi-directional storing inv... |
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Invention
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Series/parallel control circuit for double direct current power supplies. The present invention r... |
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Invention
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Ups having dual bus charging circuits. The present invention relates to the technical field of UP... |
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Invention
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Anti-back-current method and device for grid-connected power generation system. Provided is an an... |
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Invention
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High-power phase control rectification start and stop circuit. The present invention relates to a... |
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Invention
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Series/parallel control circuit for double direct current power supplies. A series/parallel contr... |
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Invention
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Drive interlocking circuit preventing direct connection of bridge arms. The present invention rel... |
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Invention
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Communication circuit for automatically performing transceiving control on rs485. The present inv... |
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2012
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Invention
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Non-isolated symmetric self-coupling 18-pulse rectifier power supply system. A non-isolated symme... |
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Invention
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Symmetric-type ups power system based on a nine-phase phase-shifting autotransformer. A symmetric... |
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Invention
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Method for estimating dynamic power transmission line capacity by using synchronized phasor techn... |
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Invention
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Method for measuring frequency of phasor of power system. The present invention relates to a meth... |
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Invention
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Non-isolated symmetric self-coupling 18-pulse rectifier power system. A non-isolated symmetric se... |
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Invention
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Symmetrical ups power system based on nine-phase self-coupling phase-shifting transformer. A symm... |
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Invention
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Ups power source based on phase-shifting auto-transformer and dual 6-pulse rectifiers. A UPS powe... |
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Invention
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Method for measuring phasor frequency of electric power system. Disclosed is a method for measuri... |
